AFI DOCS has announced the Opening and Closing Night films for the 2016 edition of the festival. Director Alex Gibney returns to AFI DOCS to open the five-day event on June 22 with the North American premiere of ZERO DAYS, which explores Stuxnet, a self-replicating computer worm discovered in 2010 that was commissioned by the U.S. and Israeli governments to sabotage Iran’s nuclear program. Gibney will be in attendance for a discussion after the Opening Night screening. Directors Heidi Ewing and Rachel Grady will close the festival with NORMAN LEAR: JUST ANOTHER VERSION OF YOU on June 26. The film chronicles the life…